package com.zzc.study.controller;

import dev.langchain4j.data.message.ImageContent;
import dev.langchain4j.data.message.TextContent;
import dev.langchain4j.data.message.UserMessage;
import dev.langchain4j.model.chat.ChatLanguageModel;
import dev.langchain4j.model.chat.response.ChatResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.Resource;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import java.io.IOException;
import java.util.Base64;

@RestController
@Slf4j
public class ChatLanguageModelController {
    @Autowired
    private ChatLanguageModel chatLanguageModel;

    @Value("classpath:images/1.png")
    private Resource resource;


    //    http://localhost:9004/image/call
    @GetMapping(value = "/image/call")
    public String readImageContent() throws IOException {
        byte[] byteArray = resource.getContentAsByteArray();
        String base64Data = Base64.getEncoder().encodeToString(byteArray);
        System.out.println("**********base64Data： "+base64Data);
        UserMessage userMessage = UserMessage.from(
                TextContent.from("帮我分析一下这张图片"),
                ImageContent.from(base64Data,"image/png")
        );

        ChatResponse chatResponse = chatLanguageModel.chat(userMessage);

        System.out.println(chatResponse.aiMessage().text());

        return chatResponse.aiMessage().text();

    }

}
